Finding the Fourth Proportional to 158,774.13, 219,110.79 and 87,160.68
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Solution
The fourth proportional to 158,774.13, 219,110.79 and 87,160.68 is: 120,283.11
Step by Step Solution
- Step 1: Write the proportion equation
158,774.13 : 219,110.79 = 87,160.68 : x - Step 2: Convert to fraction form
158,774.13/219,110.79 = 87,160.68/x - Step 3: Cross multiply
158,774.13x = 219,110.79 × 87,160.68 - Step 4: Simplify right side
158,774.13x = 19,097,845,451.74 - Step 5: Solve for x
x = 19,097,845,451.74/158,774.13 - Step 6: Final answer
x = 120,283.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.